fixing links (awslabs#1910)

Co-authored-by: dyf <dyf@fake.email>

datasets/allen-nd-open-data.yaml

@@ -1,6 +1,6 @@
 Name: Allen Institute for Neural Dynamics - Mouse Neuroanatomy and Physiology Data
 Description: The Allen Institute for Neural Dynamics (AIND) is committed to FAIR, Open, and Reproducible science. We therefore share all of the raw and derived data we collect publicly with rich metadata, including preliminary data collected during methods development, as near to the time of collection as possible. 
-Documentation: https://aind-data-schema.readthedocs.io/en/latest/opendata.html
+Documentation: https://allenneuraldynamics.github.io/data.html#aind-open-data
 Contact: aindopendata@alleninstitute.org
 ManagedBy: "[Allen Institute](http://neuraldynamics.alleninstitute.org/)"
 UpdateFrequency: Weekly
@@ -23,7 +23,7 @@ Resources:
 DataAtWork:
   Tutorials:
     - Title: AIND Open Data Access
-      URL: https://aind-data-schema.readthedocs.io/en/latest/opendata.html
+      URL: https://allenneuraldynamics.github.io/data.html#aind-open-data
       AuthorName: David Feng, Saskia de Vries
       AuthorURL: https://twitter.com/AllenInstitute
   Tools & Applications: